Heat equation with singular potential and singular data

M. Nedeljkov; S. Pilipović; D. Rajter-Ćirić

doi:10.1017/S0308210500004169

Abstract

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Nets of Schrödinger C0-semigroups (Sε)ε with the polynomial growth with respect to ε are used for solving the Cauchy problem (∂t − Δ)U + VU = f(t, U), U(0, x) = U0(x) in a suitable generalized function algebra (or space), where V and U0 are singular generalized functions while f satisfies a Lipschitz-type condition. The existence of distribution solutions is proved in appropriate cases by the means of white noise calculus as well as classical energy estimates.

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Heat equation with singular potential and singular data

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